Bingyu BY-957 Self-Drilling Countersunk Head Tapping Screws

These Bingyu BY-957 cross recessed countersunk head self-drilling tapping screws are made from 4.8-grade carbon steel with a blue-white zinc surface treatment. They feature a coarse thread type and comply with GB15856.2 H-type standard, making them ideal for various fastening applications requiring self-drilling and self-tapping capabilities.

Tooth type: coarse thread Material: Carbon Steel Performance level: 4.8 Implementation Standards: GB15856.2 Type H Pitch: 1.4 type: Cross recessed countersunk head screw Surface treatment: Blue and white zinc Nominal diameter: 4.2 Nominal length: 13